“cluster sampling”的概念、定义、翻译、参考文献-科学参考

单词	cluster sampling
释义	cluster sampling 分群抽样法整群抽样成串采样成群抽样密集样本分组取样集中采样
随便看	outside loan outside loop outside market outside micrometer outside-mixing burner outside of a kernel outside pitch line length outside plate outside post type container outside primary outside processing materials outside quality control outsider outside radius outside rance outside relative humidity outside run outside screw and yoke type (OS&Y) outside screw non-bonnet (OSNB) outside seal outside share outside shell of firebox outside single-point thread tool outside sorts outside spinning

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